package org.example.news.utils;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.common.auth.CredentialsProviderFactory;
import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;

import java.io.FileInputStream;
import java.io.InputStream;

public class AliOssUtil {

    // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
   private static final String ENDPOINT = "https://oss-cn-beijing.aliyuncs.com";
    // 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
    //EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
    private static final  String ACCESS_KEY_ID="LTAI5t9GVM861JaQvpna3YGg";
    private static final  String ACCESS_KEY_SECRET="mAyj2hbSsmB9TgI0763PVFtWqRc31Y";
    // 填写Bucket名称，例如examplebucket。
    private static final String BUCKET_NAME = "zhaoge-big-event";


        public static String uploadFile(String objectName, InputStream in) throws Exception {
            // 创建OSSClient实例。
            OSS ossClient=new OSSClientBuilder().build(ENDPOINT,ACCESS_KEY_ID,ACCESS_KEY_SECRET);
            String url="";
            try {
                // 填写字符串。
                String content = "Hello OSS，你好世界";

                // 创建PutObjectRequest对象。
                PutObjectRequest putObjectRequest = new PutObjectRequest(BUCKET_NAME, objectName,in);

                // 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。
                // ObjectMetadata metadata = new ObjectMetadata();
                // metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
                // metadata.setObjectAcl(CannedAccessControlList.Private);
                // putObjectRequest.setMetadata(metadata);

                // 上传字符串。
                PutObjectResult result = ossClient.putObject(putObjectRequest);
                //url组成：https://bucket名称.区域节点/objectName
                url="https://"+BUCKET_NAME+"."+ENDPOINT.substring(ENDPOINT.lastIndexOf("/")+1)+"/"+objectName;
            } catch (OSSException oe) {
                System.out.println("Caught an OSSException, which means your request made it to OSS, "
                        + "but was rejected with an error response for some reason.");
                System.out.println("Error Message:" + oe.getErrorMessage());
                System.out.println("Error Code:" + oe.getErrorCode());
                System.out.println("Request ID:" + oe.getRequestId());
                System.out.println("Host ID:" + oe.getHostId());
            } catch (ClientException ce) {
                System.out.println("Caught an ClientException, which means the client encountered "
                        + "a serious internal problem while trying to communicate with OSS, "
                        + "such as not being able to access the network.");
                System.out.println("Error Message:" + ce.getMessage());
            } finally {
                if (ossClient != null) {
                    ossClient.shutdown();
                }
            }
            return url;
        }
    }

